CAD

Derailleur

The rear derailleur is the parallel linkage at the back of the bike which uses springs and wheels to change gears. The mechanism works by "derailling" or forcing the chain sideways from one sprocket to the next. For more details on the derailleur, click here: Bicycle_Derailleur

Chain

The chain is used to propell the bicycle by tranferring power from the pedals to the rear wheel. For more details on the chain, click here: Bicycle_Chain

Brakes

Brakes can be any mechanism used to slow the progress of a bicycle. They are important safety and control features. There are many varieties of brake systems, the most common being front and rear rim brakes on modern production bicycles.
For more details on the brakes, click here Bicycle_Brakes

Rear Hub & Gears

With the addition of gears on bicycles, people could maintain higher speeds while keeping wheel sizes small.
For more details on the gears, click here Bicycle_Gears

Bottom Bracket

The Bottom Bracket is the piece that connects the two crank arms which are connected to the pedals to the bottom of the frame. The bottom bracket contains threads which securely hold them into the frame. For more details on the bottom bracket, click here: Bicycle_Bottom_Bracket

Fork and Handlebar

The fork connects the frame of the bike to the wheels of the bike. Different mechanisms are used to attach the wheel to the fork, but the most commonly used method is by a quick release system.

Seat

The seat supports most of the bicycle rider's weight. For more details on the seat, click here: Bicycle_Seat

Wheels

Bicycle wheels connect to the frame and fork via dropouts. Front hub, spokes, rim, tires, and the quick release mechanism form the wheel. For more details on the wheels, click here: Bicycle_Wheels

Frame

The Rover "Diamond Frame" Safety was invented in 1885 by John Starley in England. The most popular materials used in the construction of the diamond frame are steel, aluminum, titanium, or carbon fiber. For more details on the frame, click here: Bicycle_Frame